| Qahar Right Rear Banner | |
| Settlement Type: | Banner |
| Pushpin Map: | China Inner Mongolia#China |
| Pushpin Label: | Chahar RRB |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Inner Mongolia |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Inner Mongolia |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Ulaan Chab |
| Seat Type: | Banner seat |
| Seat: | Bayan Qagan |
| Area Total Km2: | 3,774 |
| Elevation M: | 1440 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 103,599 |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Coordinates: | 41.4333°N 124°W |
| Postal Code Type: | Postal code |
| Mon: | Цахар баруун гарын хойд хошуу |
| Monr: | Čaqar Baraɣun Ɣarun Qoyitu qosiɣu |
| Order: | st |
| S: | 察哈尔右翼后旗 |
| T: | 察哈爾右翼後旗 |
| P: | Cháhā'ěr Yòuyì Hòuqí |
Chahar Right Rear Banner (Mongolian: ;) is a banner of Inner Mongolia, China, bordering Shangdu County to the northeast, Xinghe County to the southeast, Qahar Right Front Banner to the south, Zhuozi County to the southwest, Qahar Right Rear Banner to the west, Dorbod Banner to the northwest, and Xilingol League to the north. It is under the administration of Ulanqab City, which lies to the south along the G55 Erenhot–Guangzhou Expressway. The most important settlement in the banner is Bayan Qagan.
Chahar Right Rear Banner is made up of 5 towns, 1 township, and 2 sums.
| Name | Simplified Chinese | Hanyu Pinyin | Mongolian (Hudum Script) | Mongolian (Cyrillic) | Administrative division code |
|---|---|---|---|---|---|
| Towns | |||||
| Bayan Qagan Town | Chinese: 白音察干镇 | Mongolian: Баянцагаан балгас | 150928105 | ||
| Tomortai Town | Chinese: 土牧尔台镇 | Mongolian: Төмөртай балгас | 150928106 | ||
| Honggilt Town | Chinese: 红格尔图镇 | Mongolian: Хонгиолд балгас | 150928107 | ||
| Bunghan Town | Chinese: 贲红镇 | Mongolian: Бунхан балгас | 150928108 | ||
| Daliuhao Town | Chinese: 大六号镇 | Mongolian: Да лиу хоо балгас | 150928109 | ||
| Township | |||||
| Xil Township | Chinese: 锡勒乡 | Mongolian: Шил шиян | 150928211 | ||
| Sums | |||||
| Dolon Hudag Sum | Chinese: 当郎忽洞苏木 | Mongolian: Тулаанахудаг сум | 150928209 | ||
| Ulan Had Sum | Chinese: 乌兰哈达苏木 | Mongolian: Улаанахта сум | 150928210 | ||